<template>
	<view class="uni-steps">
		<view :class="[direction === 'column' ? 'uni-steps__column' : 'uni-steps__row']">
			<view :class="[direction === 'column' ? 'uni-steps__column-container' : 'uni-steps__row-container']">
				<view :class="[direction === 'column' ? 'uni-steps__column-line-item' : 'uni-steps__row-line-item']" v-for="(item, index) in options" :key="index">
					<view
						:class="[
							direction === 'column' ? 'uni-steps__column-line' : 'uni-steps__row-line',
							direction === 'column' ? 'uni-steps__column-line--before' : 'uni-steps__row-line--before'
						]"
						:style="{ backgroundColor: index <= active && index !== 0 ? activelineColor : index === 0 ? 'transparent' : deactiveColor }"
					></view>
					<view :class="[direction === 'column' ? 'uni-steps__column-check' : 'uni-steps__row-check']" v-if="index === active">
						<uni-icons :color="activelineColor" type="checkbox-filled" size="14"></uni-icons>
					</view>
					<view
						:class="[direction === 'column' ? 'uni-steps__column-circle' : 'uni-steps__row-circle']"
						v-else
						:style="{ backgroundColor: index < active ? activelineColor : deactiveColor }"
					></view>
					<view
						:class="[
							direction === 'column' ? 'uni-steps__column-line' : 'uni-steps__row-line',
							direction === 'column' ? 'uni-steps__column-line--after' : 'uni-steps__row-line--after'
						]"
						:style="{ backgroundColor: index < active && index !== options.length - 1 ? activelineColor : index === options.length - 1 ? 'transparent' : deactiveColor }"
					></view>
				</view>
			</view>
			<view :class="[direction === 'column' ? 'uni-steps__column-text-container' : 'uni-steps__row-text-container']">
				<view v-for="(item, index) in options" :key="index" :class="[direction === 'column' ? 'uni-steps__column-text' : 'uni-steps__row-text']">
					<text :style="{ color: index <= active ? activeColor : deactiveColor }" :class="[direction === 'column' ? 'uni-steps__column-title' : 'uni-steps__row-title']">
						{{ item.nodeName }}
					</text>
					<text
						v-if="item.desc != null"
						:style="{ color: index <= active ? activeColor : deactiveColor }"
						:class="[direction === 'column' ? 'uni-steps__column-desc' : 'uni-steps__row-desc']"
					>
						{{ item.desc }}
					</text>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
/**
 * Steps 步骤条
 * @description 评分组件
 * @tutorial https://ext.dcloud.net.cn/plugin?id=34
 * @property {Number} active 当前步骤
 * @property {String} direction = [row|column] 当前步骤
 * 	@value row 横向
 * 	@value column 纵向
 * @property {String} activeColor 选中状态的颜色
 * @property {String} activelineColor 选中状态线的颜色
 * @property {Array} options 数据源，格式为：[{nodeName:'xxx',desc:'xxx'},{nodeName:'xxx',desc:'xxx'}]
 */

export default {
	name: 'UniSteps',
	props: {
		direction: {
			// 排列方向 row column
			type: String,
			default: 'row'
		},
		activeColor: {
			// 激活状态颜色
			type: String,
			default: '#1aad19'
		},
		activelineColor: {
			// 激活状态颜色
			type: String,
			default: '#1aad19'
		},
		deactiveColor: {
			// 未激活状态颜色
			type: String,
			default: '#999999'
		},
		active: {
			// 当前步骤
			type: Number,
			default: 0
		},
		options: {
			type: Array,
			default() {
				return [];
			}
		} // 数据
	},
	data() {
		return {};
	}
};
</script>

<style lang="scss" scoped>
.uni-steps {
	/* #ifndef APP-NVUE */
	display: flex;
	width: 100%;
	/* #endif */
	/* #ifdef APP-NVUE */
	flex: 1;
	/* #endif */
	flex-direction: column;
}

.uni-steps__row {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: column;
}

.uni-steps__column {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: row-reverse;
}

.uni-steps__row-text-container {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: row;
	align-items: flex-end;
	margin-bottom: 8px;
}

.uni-steps__column-text-container {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: column;
	flex: 1;
}

.uni-steps__row-text {
	/* #ifndef APP-NVUE */
	display: inline-flex;
	/* #endif */
	flex: 1;
	flex-direction: column;
}

.uni-steps__column-text {
	padding: 6px 0px;
	border-bottom-style: solid;
	border-bottom-width: 1px;
	border-bottom-color: $uni-border-color;
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: column;
}

.uni-steps__row-title {
	font-size: $uni-font-size-base;
	line-height: 16px;
	text-align: center;
}

.uni-steps__column-title {
	font-size: $uni-font-size-base;
	text-align: left;
	line-height: 18px;
}

.uni-steps__row-desc {
	font-size: 12px;
	line-height: 14px;
	text-align: center;
}

.uni-steps__column-desc {
	font-size: $uni-font-size-sm;
	text-align: left;
	line-height: 18px;
}

.uni-steps__row-container {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: row;
}

.uni-steps__column-container {
	/* #ifndef APP-NVUE */
	display: inline-flex;
	/* #endif */
	width: 30px;
	flex-direction: column;
}

.uni-steps__row-line-item {
	/* #ifndef APP-NVUE */
	display: inline-flex;
	/* #endif */
	flex-direction: row;
	flex: 1;
	height: 14px;
	line-height: 14px;
	align-items: center;
	justify-content: center;
}

.uni-steps__column-line-item {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: column;
	flex: 1;
	align-items: center;
	justify-content: center;
}

.uni-steps__row-line {
	flex: 1;
	height: 1px;
	background-color: $uni-text-color-grey;
}

.uni-steps__column-line {
	width: 1px;
	background-color: $uni-text-color-grey;
}

.uni-steps__row-line--after {
	transform: translateX(1px);
}

.uni-steps__column-line--after {
	flex: 1;
	transform: translate(0px, 1px);
}

.uni-steps__row-line--before {
	transform: translateX(-1px);
}

.uni-steps__column-line--before {
	height: 6px;
	transform: translate(0px, -1px);
}

.uni-steps__row-circle {
	width: 5px;
	height: 5px;
	border-radius: 100px;
	background-color: $uni-text-color-grey;
	margin: 0px 3px;
}

.uni-steps__column-circle {
	width: 5px;
	height: 5px;
	border-radius: 100px;
	background-color: $uni-text-color-grey;
	margin: 4px 0px 5px 0px;
}

.uni-steps__row-check {
	margin: 0px 6px;
}

.uni-steps__column-check {
	height: 14px;
	line-height: 14px;
	margin: 2px 0px;
}
</style>
